120-volt 20-amp service is used by Conventional household power. You can tell the kind of electrical service by the holes for a plug to any outlet. A conventional plug has two square holes, the one slightly larger, with a hole below that has a top. A ground fault circuit interrupter plug includes those holes and. As adding circuits for a appliance can be very pricey for a purchaser in the Bay region, adequate wiring is essential in selling a home.
GFCI
Kitchens are required under the National Electric Code to have GFCI outlets, which suffice for many appliances such as microwave ovens and garbage disposers. Larger appliances, such as refrigerators, have a similar plugin, but the left slot machine has a flat segment on the left side so that it resembles a”T” on its side. This indicates more powerful than household light, service.
220 Service
Because that is the minimum voltage that must be offered a 20-amp circuit is indicated by A similar outlet with all the right-side slot horizontal instead of vertical with 240 volts, commonly referred to service. This is usually used on a huge appliance such as an air compressor.
240-Volt
A larger outlet that has a rounded top rather than being rectangular signifies support with higher amperage. A 3-wire 240-volt outlet with 30-amp support has three holes, one at the top just like a backward”L” and 2 on the sides placed diagonally. This functions appliances such as kitchen ranges or clothes dryers.
4-Wire Outlet
A outlet is the largest. It has three rectangular slots in a triangle, with a fourth hole in the bottom with a round top plus one in the top. These are 50- or 60-amp circuits used for appliances that are big.
Circuit Breakers
Call an electrician if you have questions regarding the power coming to a home or into a specific outlet or consult a utility such as Pacific Gas & Electric. You also can look in a circuit breaker cupboard; breaker switches will be labeled with all the amperage and voltage for the circuits they control.